stainless steel flange material:201.301.304.316 316L PN: 10~25mpa Size: DN15~DN500 Features: 1) Stainless steel flange and carbon steel flange2) Standard: ANSI, JIS, DIN3) Material: 201.202.,301,304,321,316,316L, 4) Production with anneal solution for stainlessperformance.5) Special design available.6) surface: bright surfacePN:10~25mpaSize: DN15~DN500 201 stainless steel flange